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Diffstat (limited to 'arch/arm/mach-s3c2410/s3c2412-dma.c')
-rw-r--r--arch/arm/mach-s3c2410/s3c2412-dma.c161
1 files changed, 0 insertions, 161 deletions
diff --git a/arch/arm/mach-s3c2410/s3c2412-dma.c b/arch/arm/mach-s3c2410/s3c2412-dma.c
deleted file mode 100644
index 138f726ac6bf..000000000000
--- a/arch/arm/mach-s3c2410/s3c2412-dma.c
+++ /dev/null
@@ -1,161 +0,0 @@
1/* linux/arch/arm/mach-s3c2410/s3c2412-dma.c
2 *
3 * Copyright (c) 2006 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * S3C2412 DMA selection
7 *
8 * http://armlinux.simtec.co.uk/
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13*/
14
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/sysdev.h>
18#include <linux/serial_core.h>
19
20#include <asm/dma.h>
21#include <asm/arch/dma.h>
22#include <asm/io.h>
23
24#include "dma.h"
25#include "cpu.h"
26
27#include <asm/arch/regs-serial.h>
28#include <asm/arch/regs-gpio.h>
29#include <asm/arch/regs-ac97.h>
30#include <asm/arch/regs-mem.h>
31#include <asm/arch/regs-lcd.h>
32#include <asm/arch/regs-sdi.h>
33#include <asm/arch/regs-iis.h>
34#include <asm/arch/regs-spi.h>
35
36#define MAP(x) { (x)| DMA_CH_VALID, (x)| DMA_CH_VALID, (x)| DMA_CH_VALID, (x)| DMA_CH_VALID }
37
38static struct s3c24xx_dma_map __initdata s3c2412_dma_mappings[] = {
39 [DMACH_XD0] = {
40 .name = "xdreq0",
41 .channels = MAP(S3C2412_DMAREQSEL_XDREQ0),
42 },
43 [DMACH_XD1] = {
44 .name = "xdreq1",
45 .channels = MAP(S3C2412_DMAREQSEL_XDREQ1),
46 },
47 [DMACH_SDI] = {
48 .name = "sdi",
49 .channels = MAP(S3C2412_DMAREQSEL_SDI),
50 .hw_addr.to = S3C2410_PA_IIS + S3C2410_IISFIFO,
51 .hw_addr.from = S3C2410_PA_IIS + S3C2410_IISFIFO,
52 },
53 [DMACH_SPI0] = {
54 .name = "spi0",
55 .channels = MAP(S3C2412_DMAREQSEL_SPI0TX),
56 .hw_addr.to = S3C2410_PA_SPI + S3C2410_SPTDAT,
57 .hw_addr.from = S3C2410_PA_SPI + S3C2410_SPRDAT,
58 },
59 [DMACH_SPI1] = {
60 .name = "spi1",
61 .channels = MAP(S3C2412_DMAREQSEL_SPI1TX),
62 .hw_addr.to = S3C2410_PA_SPI + 0x20 + S3C2410_SPTDAT,
63 .hw_addr.from = S3C2410_PA_SPI + 0x20 + S3C2410_SPRDAT,
64 },
65 [DMACH_UART0] = {
66 .name = "uart0",
67 .channels = MAP(S3C2412_DMAREQSEL_UART0_0),
68 .hw_addr.to = S3C2410_PA_UART0 + S3C2410_UTXH,
69 .hw_addr.from = S3C2410_PA_UART0 + S3C2410_URXH,
70 },
71 [DMACH_UART1] = {
72 .name = "uart1",
73 .channels = MAP(S3C2412_DMAREQSEL_UART1_0),
74 .hw_addr.to = S3C2410_PA_UART1 + S3C2410_UTXH,
75 .hw_addr.from = S3C2410_PA_UART1 + S3C2410_URXH,
76 },
77 [DMACH_UART2] = {
78 .name = "uart2",
79 .channels = MAP(S3C2412_DMAREQSEL_UART2_0),
80 .hw_addr.to = S3C2410_PA_UART2 + S3C2410_UTXH,
81 .hw_addr.from = S3C2410_PA_UART2 + S3C2410_URXH,
82 },
83 [DMACH_UART0_SRC2] = {
84 .name = "uart0",
85 .channels = MAP(S3C2412_DMAREQSEL_UART0_1),
86 .hw_addr.to = S3C2410_PA_UART0 + S3C2410_UTXH,
87 .hw_addr.from = S3C2410_PA_UART0 + S3C2410_URXH,
88 },
89 [DMACH_UART1_SRC2] = {
90 .name = "uart1",
91 .channels = MAP(S3C2412_DMAREQSEL_UART1_1),
92 .hw_addr.to = S3C2410_PA_UART1 + S3C2410_UTXH,
93 .hw_addr.from = S3C2410_PA_UART1 + S3C2410_URXH,
94 },
95 [DMACH_UART2_SRC2] = {
96 .name = "uart2",
97 .channels = MAP(S3C2412_DMAREQSEL_UART2_1),
98 .hw_addr.to = S3C2410_PA_UART2 + S3C2410_UTXH,
99 .hw_addr.from = S3C2410_PA_UART2 + S3C2410_URXH,
100 },
101 [DMACH_TIMER] = {
102 .name = "timer",
103 .channels = MAP(S3C2412_DMAREQSEL_TIMER),
104 },
105 [DMACH_I2S_IN] = {
106 .name = "i2s-sdi",
107 .channels = MAP(S3C2412_DMAREQSEL_I2SRX),
108 .hw_addr.from = S3C2410_PA_IIS + S3C2410_IISFIFO,
109 },
110 [DMACH_I2S_OUT] = {
111 .name = "i2s-sdo",
112 .channels = MAP(S3C2412_DMAREQSEL_I2STX),
113 .hw_addr.to = S3C2410_PA_IIS + S3C2410_IISFIFO,
114 },
115 [DMACH_USB_EP1] = {
116 .name = "usb-ep1",
117 .channels = MAP(S3C2412_DMAREQSEL_USBEP1),
118 },
119 [DMACH_USB_EP2] = {
120 .name = "usb-ep2",
121 .channels = MAP(S3C2412_DMAREQSEL_USBEP2),
122 },
123 [DMACH_USB_EP3] = {
124 .name = "usb-ep3",
125 .channels = MAP(S3C2412_DMAREQSEL_USBEP3),
126 },
127 [DMACH_USB_EP4] = {
128 .name = "usb-ep4",
129 .channels = MAP(S3C2412_DMAREQSEL_USBEP4),
130 },
131};
132
133static void s3c2412_dma_select(struct s3c2410_dma_chan *chan,
134 struct s3c24xx_dma_map *map)
135{
136 writel(map->channels[0] | S3C2412_DMAREQSEL_HW,
137 chan->regs + S3C2412_DMA_DMAREQSEL);
138}
139
140static struct s3c24xx_dma_selection __initdata s3c2412_dma_sel = {
141 .select = s3c2412_dma_select,
142 .dcon_mask = 0,
143 .map = s3c2412_dma_mappings,
144 .map_size = ARRAY_SIZE(s3c2412_dma_mappings),
145};
146
147static int s3c2412_dma_add(struct sys_device *sysdev)
148{
149 return s3c24xx_dma_init_map(&s3c2412_dma_sel);
150}
151
152static struct sysdev_driver s3c2412_dma_driver = {
153 .add = s3c2412_dma_add,
154};
155
156static int __init s3c2412_dma_init(void)
157{
158 return sysdev_driver_register(&s3c2412_sysclass, &s3c2412_dma_driver);
159}
160
161arch_initcall(s3c2412_dma_init);
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-11 11:03:48 -0500